Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John Patrick Costello, DMD

Individual provider Dentist · NPI 1346698420

John Patrick Costello, DMD is a Dentist in Salem, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2016
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

129 Highland Ave
Salem, MA 01970-2774
Phone: (978) 744-7575
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DN1857197 (MA)

Record details

NPI number1346698420
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedMay 30, 2016
Last updated in NPPESMay 30, 2016
Mailing address129 Highland Ave, Salem, MA 01970-2774

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